DE69931630D1 - Hauptrechnergestützte anti-geisterbildformung von teletextdaten basierend auf daten die nicht überabgetastet sind - Google Patents
Hauptrechnergestützte anti-geisterbildformung von teletextdaten basierend auf daten die nicht überabgetastet sindInfo
- Publication number
- DE69931630D1 DE69931630D1 DE69931630T DE69931630T DE69931630D1 DE 69931630 D1 DE69931630 D1 DE 69931630D1 DE 69931630 T DE69931630 T DE 69931630T DE 69931630 T DE69931630 T DE 69931630T DE 69931630 D1 DE69931630 D1 DE 69931630D1
- Authority
- DE
- Germany
- Prior art keywords
- data
- overbased
- main computer
- teletext
- formulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
- H04N7/035—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
- H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
- H04N7/0882—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
- Picture Signal Circuits (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/066,741 US6067122A (en) | 1998-04-23 | 1998-04-23 | Host-based anti-ghosting of teletext data based on non-oversampled data |
US66741 | 1998-04-23 | ||
PCT/US1999/005366 WO1999055079A1 (en) | 1998-04-23 | 1999-03-11 | Host-based anti-ghosting of teletext data based on non-oversampled data |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69931630D1 true DE69931630D1 (de) | 2006-07-06 |
DE69931630T2 DE69931630T2 (de) | 2007-05-16 |
Family
ID=22071393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69931630T Expired - Fee Related DE69931630T2 (de) | 1998-04-23 | 1999-03-11 | Host-basiertes Anti-Ghosting von Teletextdaten auf der Basis von nicht überabgetasteten Daten |
Country Status (7)
Country | Link |
---|---|
US (1) | US6067122A (de) |
EP (1) | EP1078512B1 (de) |
JP (1) | JP2002512491A (de) |
CN (1) | CN100372363C (de) |
AU (1) | AU2999799A (de) |
DE (1) | DE69931630T2 (de) |
WO (1) | WO1999055079A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6351289B1 (en) * | 1998-11-24 | 2002-02-26 | Winbond Electronics Corp. | Method and apparatus that generates VBI data coding waveforms |
US6262708B1 (en) * | 1999-06-16 | 2001-07-17 | Sun Microsystems, Inc. | Techniques for displaying complex characters |
JP2002158975A (ja) * | 2000-11-22 | 2002-05-31 | Mitsubishi Electric Corp | スライス回路 |
US20050285975A1 (en) * | 2004-06-28 | 2005-12-29 | Broadcom Corporation | Software implementing parts of a blanking interval encoder/decoder |
JP2007288260A (ja) * | 2006-04-12 | 2007-11-01 | Matsushita Electric Ind Co Ltd | Vbiデータスライス回路 |
US7796193B2 (en) * | 2006-06-29 | 2010-09-14 | Mediatek Inc. | Method of adaptive slicing signal |
US9323609B2 (en) * | 2013-11-15 | 2016-04-26 | Intel Corporation | Data storage and variable length error correction information |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4449145A (en) * | 1980-01-24 | 1984-05-15 | Zenith Radio Corporation | Intelligent teletext decoder |
US4388645A (en) * | 1981-04-13 | 1983-06-14 | Zenith Radio Corporation | Teletext communication system with timed multipage local memory |
JPS60229592A (ja) * | 1984-04-27 | 1985-11-14 | Mitsubishi Electric Corp | 符号化伝送方式文字放送受信装置 |
DE3681379D1 (de) * | 1985-07-16 | 1991-10-17 | Matsushita Electric Ind Co Ltd | Uebertragungs-/empfangssystem fuer ein bezugssignal zur geisterbildausloeschung. |
US5047859A (en) * | 1990-10-09 | 1991-09-10 | North American Philips Corporation | Method and apparatus for communication channel identification and signal restoration |
US5111298A (en) * | 1990-10-09 | 1992-05-05 | North American Philips Corporation | Method and apparatus for communication channel identification and signal restoration |
US5488418A (en) * | 1991-04-10 | 1996-01-30 | Mitsubishi Denki Kabushiki Kaisha | Encoder and decoder |
US5361102A (en) * | 1991-09-04 | 1994-11-01 | Samsung Electronics Co., Ltd. | System to cancel ghosts in NTSC television transmission |
US5619275A (en) * | 1992-09-01 | 1997-04-08 | Thomson Consumer Electronics, Inc. | TV line and field detection apparatus with good noise immunity |
TW231393B (de) * | 1992-12-02 | 1994-10-01 | Samsung Electronics Co Ltd | |
US5321512A (en) * | 1993-05-07 | 1994-06-14 | Zoran Corporation | Ghost signal cancellation system using feedforward and feedback filters for television signals |
US5448299A (en) * | 1994-01-05 | 1995-09-05 | Samsung Electronics Co., Ltd. | Apparatus for processing BPSK signals transmitted with NTSC TV on quadrature-phase video carrier |
US5483292A (en) * | 1994-03-09 | 1996-01-09 | Samsung Electronics Co., Ltd. | Symbol clock regeneration in digital signal receivers for recovering digital data buried in NTSC TV signals |
AU692558B2 (en) * | 1994-07-08 | 1998-06-11 | Koninklijke Philips Electronics N.V. | Method of transmitting teletext pages |
US5555025A (en) * | 1995-06-07 | 1996-09-10 | Intel Corporation | Apparatus and method for performing asynchronous multi-standard VBI data extraction |
US5828422A (en) * | 1996-04-12 | 1998-10-27 | Wavephore, Inc. | Ghost canceler |
US5812217A (en) * | 1996-06-26 | 1998-09-22 | Intel Corporation | Automatically adjusting anti-ghosting filter coefficients when the coefficients exceed particular values |
US5953065A (en) * | 1996-06-26 | 1999-09-14 | Intel Corporation | Method and apparatus for common vertical blanking interval scan line decoding |
US5812207A (en) * | 1996-12-20 | 1998-09-22 | Intel Corporation | Method and apparatus for supporting variable oversampling ratios when decoding vertical blanking interval data |
US6239843B1 (en) * | 1997-05-05 | 2001-05-29 | Wavo Corporation | Method and system for decoding data in a signal |
CA2296146A1 (en) * | 1997-07-17 | 1999-04-29 | Wavo Corporation | Method and system for transmitting and decoding data in a signal |
-
1998
- 1998-04-23 US US09/066,741 patent/US6067122A/en not_active Expired - Lifetime
-
1999
- 1999-03-11 WO PCT/US1999/005366 patent/WO1999055079A1/en active IP Right Grant
- 1999-03-11 CN CNB998078387A patent/CN100372363C/zh not_active Expired - Fee Related
- 1999-03-11 JP JP2000545313A patent/JP2002512491A/ja not_active Ceased
- 1999-03-11 EP EP99911332A patent/EP1078512B1/de not_active Expired - Lifetime
- 1999-03-11 DE DE69931630T patent/DE69931630T2/de not_active Expired - Fee Related
- 1999-03-11 AU AU29997/99A patent/AU2999799A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1078512A4 (de) | 2002-11-06 |
US6067122A (en) | 2000-05-23 |
WO1999055079A1 (en) | 1999-10-28 |
AU2999799A (en) | 1999-11-08 |
DE69931630T2 (de) | 2007-05-16 |
EP1078512A1 (de) | 2001-02-28 |
CN1307778A (zh) | 2001-08-08 |
JP2002512491A (ja) | 2002-04-23 |
CN100372363C (zh) | 2008-02-27 |
EP1078512B1 (de) | 2006-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |